Structural Washers

Structural Washers (F436)

 

Dimensional comparable to the USS plain washer, but with a smaller outside diameter, manufactured from a higher grade of steel and heat-treated.

Designed to be used with A325 & A490 structural bolts.

Dimensions

Bolt Size B A C Weight in Pounds
Per 1000 Pieces
Outside Diameter Inside Diameter Thickness
Min Max
1/2 1-1/16 17/32 0.097 0.177 18
5/8 1-5/16 11/16 0.122 0.177 33
3/4 1-15/32 13/16 0.122 0.177 41
7/8 1-3/4 15/16 0.136 0.177 64
1 2 1-1/16 0.136 0.177 82
1-1/8 2-1/4 1-3/16 0.136 0.177 105
1-1/4 2-1/2 1-3/8 0.136 0.177 133
1-3/8 2-3/4 1-1/2 0.136 0.177 163
1-1/2 3 1-5/8 0.136 0.177 200
1-5/8 3-1/4 1-3/4 0.178 0.28 320
1-3/4 3-3/8 1-7/8 0.178 0.28 307
1-7/8 3-1/2 2 0.178 0.28 360
2 3-3/4 2-1/8 0.178 0.28 380
2-1/4 4 2-3/8 0.24 0.34 560
2-1/2 4-1/2 2-5/8 0.24 0.34 720
2-3/4 5 2-7/8 0.24 0.34 920
3 5-1/2 3-1/8 0.24 0.34 1040
3-1/4 6 3-3/8 0.24 0.34 1350
3-1/2 6-1/2 3-5/8 0.24 0.34 1633
3-3/4 7 3-7/8 0.24 0.34 1880
4 7-1/2 4-1/8 0.24 0.34 2200
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